Subwoofer Installation Guide - Crystal Acoustics TX-8SUB Owner's Manual

5.5 Subwoofer installation guide

The following instructions are for THX Certified as well as non-certified Dolby Digital/DTS
A/V receivers or surround processors.
1. Turn off your receiver or multi-channel amplifier and make sure the TX-8SUB /
TX-10SUB is off
2. Use a high quality shielded interconnect with RCA connectors to link the TX-8SUB /
TX-10SUB to the output of your receiver or multi-channel amplifier.
3. Set the phase switch to 0
4. Turn on your system and the TX-8SUB / TX-10SUB
5. Navigate to the Speaker Setup menu of your receiver or processor to calibrate channel
level and size of your front, centre and surround speakers.
6. Set your main and surround speakers to "Small" on your receiver or processor.
7. Set the roll off point to the following:
• 80Hz (THX standard) for THX Select loudspeakers or other speakers of bigger size
• 120-150Hz for other small speakers (Crystal Acoustics Plasma, SmArt System and
Bipolar series)
• The higher the crossover, the better the power handling of your main speakers
8. Change the Phase Control of your TX-8SUB / TX-10SUB between 0
positions.
9. Listen to music with prominent bass.
10. Stay with the switch position that produces the fullest, deepest and tightest bass in your
listening area.
11. Use the pink noise test signal of your receiver, processor or test DVD.
12. Take a seat at the main listening and viewing
13. Use a SPL meter (C scale, slow) and calibrate the output sound level of each channel
(fronts, centre, surrounds) plus your subwoofer, so that all outputs levels are equal.
14. Connection of multiple subwoofers to a receiver or processor with only one SUB/LFE
output can be accomplished with Y-adapters (RCA male to two RCA female connectors).
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